20. Unpack the replacement midplane assembly. Grasp the midplane assembly
with two hands to hold the assembly at a 45° angle.
21. Insert the tabs on the midplane assembly into the tab holes in the enclosure
and rotate down the front of the assembly.
22. Secure the midplane assembly to the enclosure chassis on both the right and
left sides using six screws and two screw-pins that you removed in steps 16
on page 356 and 17 on page 356.
23. Turn over the bottom of the enclosure to face upward, then insert the four
screws on the bottom of the enclosure that were removed in step 15 on page
355.
24. Reinstall the enclosure in the rack cabinet, securing it with two screws that
were removed at step 13 on page 355.
25. Reinstall the end caps at the front of the enclosure, as described in “Replacing
Storwize V7000 Gen2 enclosure end caps” on page 328.
26. Reinstall the hard disk drives at the front of the enclosure, making sure that
each drive is inserted into the same slot from which it was removed.
27. Replace the fan modules, as described in “Replacing a Storwize V7000 Gen2
fan module” on page 298.
28. Reinstall the canisters into the same canister slots from which you removed
them.
29. Reinstall the two power supplies.
30. Reconnect the data cables at the rear of the enclosure into the same connectors
from which you removed them.
31. Reconnect power to the control enclosure. The node canisters restart. The fault
LEDs are on because the new enclosure has not been set with the identity of
the old enclosure. The node canisters log node error 504, reporting that they
are in the wrong location. In the system event log, the error code is 1192.
Figure 107. Angled midplane assembly
Chapter 5. Control enclosure 357
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